Home / 7,528.85-11,285.80-3,573.15

Finding the Fourth Proportional to 7,528.85, 11,285.80 and 3,573.15

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Solution

The fourth proportional to 7,528.85, 11,285.80 and 3,573.15 is: 5,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.85 : 11,285.80 = 3,573.15 : x
  2. Step 2: Convert to fraction form
    7,528.85/11,285.80 = 3,573.15/x
  3. Step 3: Cross multiply
    7,528.85x = 11,285.80 × 3,573.15
  4. Step 4: Simplify right side
    7,528.85x = 40,325,805.02
  5. Step 5: Solve for x
    x = 40,325,805.02/7,528.85
  6. Step 6: Final answer
    x = 5,356.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.